| Guercha | |
| Pushpin Map: | France#France Provence-Alpes-Côte d'Azur |
| Mouth Location: | Tinée |
| Mouth Coordinates: | 44.1842°N 7.0533°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | France |
| Length: | 6.5km (04miles) |
The Guercha is a short mountain river that flows through the Alpes-Maritimes department of southeastern France. It is 6.5km (04miles) long. Its source is in the Maritime Alps, close to the Italian border. It flows into the Tinée in Isola.